Fierefox

In our fourth annual Lifehacker Pack for Mac, we're highlighting the best free downloads for better productivity, communication, media management, and more.
Free tutorials. Have you ever read through a chapter in one of those Learn Such and Such in 21 Seconds books and realized that somewhere along the way you had started daydreaming about how you would spend a trillion dollars if you were Bill Gates?

Well, it happens to me all the time. Computer books are boring. In fact, most technical writing out there bites the big one and there's no sign that the situation is going to get any better in the near future.
LDraw All-In-One-Installer. Quick installation Download the following file Mirror: Peeron.comLDraw_AIOI_2013-02_setup_32bit_v2.zipNOTE: The file is protected by a Captcha image.

Nmap Nmap (“Network Mapper”) is a free and open source (license) utility for network discovery and security auditing. Nmap uses raw IP packets in novel ways to determine what hosts are available on the network, what services (application name and version) those hosts are offering, what operating systems (and OS versions) they are running, what type of packet filters/firewalls are in use, and dozens of other characteristics. Nmap homepage. 2.
How Operating Systems Work".

When you turn on your computer, it's nice to think that you're in control.

There's the trusty computer mouse, which you can move anywhere on the screen, summoning up your music library or Internet browser at the slightest whim. Although it's easy to feel like a director in front of your desktop or laptop, there's a lot going on inside, and the real man behind the curtain handling the necessary tasks is the operating system. ­
Most desktop or laptop PCs come pre-loaded with Microsoft Windows.
64 Things Every Geek Should Know - laptoplogic.com. The term ‘geek’, once used to label a circus freak, has morphed in meaning over the years. What was once an unusual profession transferred into a word indicating social awkwardness. As time has gone on, the word has yet again morphed to indicate a new type of individual: someone who is obsessive over one (or more) particular subjects, whether it be science, photography, electronics, computers, media, or any other field.

A geek is one who isn’t satisfied knowing only the surface facts, but instead has a visceral desire to learn everything possible about a particular subject. A techie geek is usually one who knows a little about everything, and is thus the person family and friends turn to whenever they have a question.
Leet. One way to write the word "Wikipedia" in Leet Leet (or "1337"), also known as eleet or leetspeak, is an alternative alphabet for the English language that is used primarily on the Internet.

It uses various combinations of ASCII characters to replace Latinate letters. For example, leet spellings of the word leet include 1337 and l33t; eleet may be spelled 31337 or 3l33t. History Leet symbols, especially the number 1337, are Internet memes that have spilled over into popular culture.
15 Must know Firefox shortcuts. For many years I was a die-hard Safari fan, you couldn’t have pulled me away from it… that is, until Firefox came along.

Firefox is speedy, secure, and entirely cross platform compatible, and is now my primary web browser of choice. One of the better ways to improve the user experience with any application is by learning some essential keyboard shortcuts, so here are fifteen such shortcuts for Firefox. Whether you are new to Firefox or a long time user, this list of keyboard shortcuts will likely be useful to you. Must Know Firefox keyboard shortcuts These commands will work on Linux and Windows versions of Firefox as well, simply use the Control key in place of the Command key where appropriate.
How to use your iPad or iPhone as a second monitor — MacTips. How to use your iPad or iPhone as a second monitor Mac Tip #493, 06 July 2011 If you need just a little bit of extra screen space but don’t want to invest in a whole extra monitor here’s how to press your iPad, iPhone or iPod touch into service.

It’s actually very easy — with the right, low cost software, and provided you’re using a WiFi network. I’ve already set up my iPad, so in this Tip I’ll set up my iPhone. This works for Windows users too, but I haven’t tried that. Tell us in the Comments if you’re using this technique with Windows and your iOS device. Air Display apps make it work. Dan Rodney's List of Mac OS X Keyboard Shortcuts & Keystrokes. I like to figure out the fastest way to do things. I hope these keystrokes help you to become the power user that lies within. These keystrokes have been tested in Mac OS X Mavericks (Mac OS 10.9) but most should work on other versions of Mac OS (10.8 Mountain Lion, 10.7 Lion, etc.). Menu Symbols Finder App Switcher Managing Windows & Dialogs. Pete White - 'World Famous' ImAFish.